change back conversion widget to QLineEdit because conversion can go down to 1.0e-06

sohstationviewer/view/db_config/add_edit_single_channel_dialog.py

@@ -3,7 +3,7 @@ import platform
 import os
 from typing import Optional, Dict
 
-from PySide2 import QtWidgets
+from PySide2 import QtWidgets, QtGui
 from PySide2.QtWidgets import QWidget, QDialog, QLineEdit
 
 from sohstationviewer.view.util.plot_func_names import plot_functions
@@ -72,13 +72,14 @@ class AddEditSingleChannelDialog(QDialog):
             "added to channel name to be displayed")
 
         # convert factor to change from count to actual value
-        self.conversion_lnedit = QtWidgets.QSpinBox()
-        self.conversion_lnedit.setMinimum(0)
-        self.conversion_lnedit.setMaximum(5)
-        self.conversion_lnedit.setToolTip(
+        self.convesion_lnedit = QtWidgets.QLineEdit(self)
+        self.convesion_lnedit.setPlaceholderText(
             "to convert from count to actual value"
         )
-        self.conversion_lnedit.setValue(1)
+        validator = QtGui.QDoubleValidator(0.0, 5.0, 6)
+        validator.setNotation(QtGui.QDoubleValidator.StandardNotation)
+        self.convesion_lnedit.setValidator(validator)
+        self.convesion_lnedit.setText('1')
 
         # channel's unit
         self.unit_lnedit = QtWidgets.QLineEdit(self)
@@ -223,8 +224,8 @@ class AddEditSingleChannelDialog(QDialog):
 
         self.label_lnedit.setText(self.channel_info['label'])
 
-        self.conversion_lnedit.setValue(
-            float(self.channel_info['convertFactor']))
+        self.convesion_lnedit.setText(
+            str(float(self.channel_info['convertFactor'])))
 
         self.unit_lnedit.setText(self.channel_info['unit'])